global class SchedulableInstagramPost implements Schedulable{
       global SchedulableInstagramPost (){}

        public static void startPost(){
            //Seconds Minutes Hours Day_of_month Month Day_of_week optional_year
            System.schedule('Instagram Latest Post', '0 0 * * * ?', New SchedulableInstagramPost());
        }   
    
    
        global void execute(SchedulableContext ctx) {
           globalInstagramPost.retreiveUserMediaInfo(); 
                
        }
    }